The company holds licenses to operate a mobile phone network in the 1900 MHz (PCS) and 1700 MHz (AWS) bands covering many continental regions of the United States, Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands, as well as licenses in the 700 MHz band (mainly Block A) available in certain parts of the country. In 2017, T-Mobile was also granted a 600 MHz federal license. This spectrum is expected to be used over the next few years, as it will be gradually being evacuated by TV channels across the country. For technology, GSM, UMTS/HSPA+ and/or LTE (Volume 2) are used depending on the location of the 1900 MHz band; in the 1700 MHz band, it uses UMTS/HSPA+ and/or LTE (B4 and B66); and LTE-only in the 700 MHz (B12) and 600 MHz (B71) bands. The LTE network also supports VoLTE. It covers areas where it does not have radio frequency licences through roaming agreements with other compatible network operators. We use streaming video optimization technology on our network, which also makes it possible to use the available network capacity to offer a good service experience to as many customers as possible. Optimization technology aims to manage data usage over the network, reduce the risk of streaming video stalling and buffering on mobile devices, and reduce the amount of data for video streaming, making it possible to accommodate other users with higher speeds and a better overall network experience. Video optimization only takes place for data streams identified as video by our network of packet cores or for which the video provider has video self-optimization protocols in place. “Binge On”) to enable or disable DVD quality video optimization.
Some qualified video providers may choose to decline the Binge On program, see list www.t-mobile.com/offer/binge-on-streaming-video.html#. Binge On optimization technology is not applied to the video services of these providers and the high-speed data consumption continues as if Binge On were not enabled. For more information on video optimization, see our open internet guideline for www.T-Mobile.com/OpenInternet. The terms of these terms apply to prepaid customers. Your T-Mobile prepaid service balance, if sufficient, or your active prepaid plan will give you limited access to our prepaid service; You must use your prepaid service during the specified availability period. In order to use our prepaid service, you must have a T-Mobile prepaid account that you can use for the paid service or use an active prepaid plan. The service is automatically activated 90 days after purchasing the service, unless you activate it earlier. The service is suspended if your account balance reaches zero and/or if you are at the end of the period associated with your prepaid plan. Monthly scheduling functions are available for one calendar month. We will notify you if your monthly service cycle data and other data related to your account changes..
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